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Find the sum of the 100 largest values in a stream of binary integers as fast as possible.

Input: 100 000 000 uint32 values in little-endian binary on STDIN (4 bytes each).

Output: The uint64 sum of the top 100 greatest values, printed as a decimal string.

Restrictions:60s512Mb 1 Score Packages

Feel free to create an issue if you need an extra library from the standard Ubuntu repository.

Name	Version	Description
libc6-dev	2.39-0ubuntu8.7	GNU C Library: Development Libraries and Header Files Contains the symlinks, headers, and object files needed to compile and link programs which use the standard C library.
libclang-common-14-dev	1:14.0.6-19build4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-15-dev	1:15.0.7-14build3	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-16-dev	1:16.0.6-23ubuntu4	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-17-dev	1:17.0.6-9ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-18-dev	1:18.1.3-1ubuntu1	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-19-dev	1:19.1.1-1ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libclang-common-20-dev	1:20.1.2-0ubuntu1~24.04.2	Clang library - Common development package Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also provides most of the support of C++20. . This package contains the Clang generic headers.
libcrypt-dev	1:4.4.36-4build1	libcrypt development files This package contains the files needed for developing applications that use libcrypt.
libgcc-10-dev	10.5.0-4ubuntu2.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-11-dev	11.5.0-1ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-12-dev	12.4.0-2ubuntu1~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-13-dev	13.3.0-6ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libgcc-14-dev	14.2.0-4ubuntu2~24.04.1	GCC support library (development files) This package contains the headers and static library files necessary for building C programs which use libgcc, libgomp, libquadmath, libssp or libitm.
libobjc-13-dev	13.3.0-6ubuntu2~24.04.1	Runtime library for GNU Objective-C applications (development files) This package contains the headers and static library files needed to build GNU ObjC applications.
libssl-dev	3.0.13-0ubuntu3.9	Secure Sockets Layer toolkit - development files This package is part of the OpenSSL project's implementation of the SSL and TLS cryptographic protocols for secure communication over the Internet. . It contains development libraries, header files, and manpages for libssl and libcrypto.
libstdc++-10-dev	10.5.0-4ubuntu2.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-11-dev	11.5.0-1ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-12-dev	12.4.0-2ubuntu1~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-13-dev	13.3.0-6ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libstdc++-14-dev	14.2.0-4ubuntu2~24.04.1	GNU Standard C++ Library v3 (development files) This package contains the headers and static library files necessary for building C++ programs which use libstdc++. . libstdc++-v3 is a complete rewrite from the previous libstdc++-v2, which was included up to g++-2.95. The first version of libstdc++-v3 appeared in g++-3.0.
libtbb-dev	2021.11.0-2ubuntu2	parallelism library for C++ - development files TBB is a library that helps you leverage multi-core processor performance without having to be a threading expert. It represents a higher-level, task-based parallelism that abstracts platform details and threading mechanism for performance and scalability. . (Note: if you are a user of the i386 architecture, i.e., 32-bit Intel or compatible hardware, this package only supports Pentium4-compatible and higher processors.) . This package includes the TBB development files.

Back to listJul 14, 2021 10:08

Andrey TsvetkovScore: 85,665Success

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Run Statistics

#	Date	Score	Wall Time	CPU User	CPU System	Memory
1	Jul 14, 2021 10:00	84,370	55,555,792	28,196,000	3,021,000	2,334,720
2	Jul 14, 2021 10:00	84,835	53,328,690	28,352,000	3,037,000	2,334,720
3	Jul 14, 2021 10:02	84,846	58,860,195	29,368,000	2,025,000	2,502,656
4	Jul 14, 2021 10:02	84,862	54,223,619	29,374,000	2,025,000	2,510,848
5	Jul 14, 2021 10:02	84,868	56,118,770	30,389,000	1,012,000	2,334,720
6	Jul 14, 2021 10:08	84,868	60,079,955	28,363,000	3,038,000	2,502,656
7	Jul 14, 2021 10:08	84,968	54,643,836	28,396,000	3,042,000	2,334,720
8	Jul 14, 2021 10:00	85,111	54,768,621	29,460,000	2,031,000	2,322,432
9	Jul 14, 2021 10:02	85,154	52,314,235	30,491,000	1,016,000	2,510,848
10	Jul 14, 2021 10:00	85,176	56,197,524	30,499,000	1,016,000	2,334,720
11	Jul 14, 2021 10:08	85,178	53,933,144	29,483,000	2,033,000	2,334,720
12	Jul 14, 2021 10:02	85,181	51,936,957	29,484,000	2,033,000	2,490,368
13	Jul 14, 2021 10:00	85,192	52,913,115	30,505,000	1,016,000	2,334,720
14	Jul 14, 2021 10:08	85,219	54,619,544	30,514,000	1,017,000	2,510,848
15	Jul 14, 2021 10:00	85,224	57,762,700	29,499,000	2,034,000	2,502,656
16	Jul 14, 2021 10:08	85,297	56,423,107	29,524,000	2,036,000	2,334,720
17	Jul 14, 2021 10:02	85,327	58,822,859	29,535,000	2,036,000	2,502,656
18	Jul 14, 2021 10:08	85,386	59,327,520	29,555,000	2,038,000	2,334,720
19	Jul 14, 2021 10:08	85,665	58,179,051	30,674,000	1,022,000	2,498,560
20	Jul 14, 2021 10:02	85,738	62,946,406	30,700,000	1,023,000	2,334,720
21	Jul 14, 2021 10:00	85,746	59,856,610	29,680,000	2,046,000	2,334,720
22	Jul 14, 2021 10:00	86,065	57,241,209	30,849,000	995,000	2,363,392
23	Jul 14, 2021 10:02	86,084	55,560,987	29,861,000	1,990,000	2,334,720
24	Jul 14, 2021 10:08	86,086	60,541,043	29,862,000	1,990,000	2,498,560
25	Jul 14, 2021 10:02	86,100	56,311,319	29,866,000	1,991,000	2,506,752
26	Jul 14, 2021 10:00	86,122	61,917,293	29,874,000	1,991,000	2,334,720
27	Jul 14, 2021 10:08	86,122	62,735,352	30,870,000	995,000	2,506,752
28	Jul 14, 2021 10:00	87,912	101,702,282	32,527,413	0	2,179,072
29	Jul 14, 2021 10:08	88,190	105,762,259	32,630,116	0	2,183,168
30	Jul 14, 2021 10:02	88,190	103,033,813	32,630,342	0	2,179,072
31	Jul 14, 2021 10:02	88,566	94,423,752	32,769,567	0	2,187,264
32	Jul 14, 2021 10:00	88,675	90,123,772	32,809,745	0	2,183,168
33	Jul 14, 2021 10:08	88,745	108,474,431	32,835,679	0	2,306,048
34	Jul 14, 2021 10:02	89,032	98,290,370	32,941,939	0	2,187,264
35	Jul 14, 2021 10:00	89,091	95,436,147	32,963,703	0	2,174,976
36	Jul 14, 2021 10:08	89,251	128,820,998	33,022,801	0	2,187,264

Model	Intel(R) Xeon(R) CPU E3-1271 v3 @ 3.60GHz
Cores	1